20472803

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 23390976

約数和(自身を除く): 2918173

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1373, 14911, 17849, 42563, 50801, 553319, 660413, 1574831, 20472803]

約数ペア:

[(1, 20472803), (13, 1574831), (31, 660413), (37, 553319), (403, 50801), (481, 42563), (1147, 17849), (1373, 14911)]